Full Idea
If you are inclined to think that 'moral motivation', acting because you think it is right, must be an all-or-nothing matter, its presence determined by the agent's mind at the moment of acting, do, please, remember children.
Gist of Idea
If moral motivation is an all-or-nothing sense of duty, how can children act morally?
Source
Rosalind Hursthouse (On Virtue Ethics [1999], Ch.7)
Book Reference
Hursthouse,Rosalind: 'On Virtue Ethics' [OUP 2001], p.144
A Reaction
I agree about the vital importance of remembering children when discussing morality. However, Kantians might legitimately claim that when a child is simply trained to behave well, it has not yet reached the age of true morality.